Magneto-optical reflection spectroscopy on graphene/Co in the soft x-ray range

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27740%2F17%3A10237856" target="_blank" >RIV/61989100:27740/17:10237856 - isvavai.cz</a>

Výsledek na webu

<a href="http://iopscience.iop.org/article/10.1088/1742-6596/903/1/012025/meta" target="_blank" >http://iopscience.iop.org/article/10.1088/1742-6596/903/1/012025/meta</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/1742-6596/903/1/012025" target="_blank" >10.1088/1742-6596/903/1/012025</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Magneto-optical reflection spectroscopy on graphene/Co in the soft x-ray range

Popis výsledku v původním jazyce

The existence of ferromagnetic ordering in graphene on cobalt is demonstrated by means of resonant magnetic reflection spectroscopy exploiting the transversal magneto-optical Kerr-effect (T-MOKE). Using linearly polarized synchrotron radiation in the soft x-ray range with energies spanning the carbon 1s edge, the pi- and sigma- bonds of graphene were excited individually, showing that magnetism in graphene is carried by the pi - orbitals. Magnetic signals were detected over a wide energy range from 257 - 340 eV with a T-MOKE peak value of 1.1 % at the pi - resonance energy near 285 eV. By comparison with corresponding spectra measured at the 2p edges of the Co substrate, a large induced magnetic moment of 0.14 mu(B) was derived for graphene. Individual hysteresis curves monitored at the Co 2p and C 1s edges show that the carbon magnetism is induced by the Co substrate.

Název v anglickém jazyce

Magneto-optical reflection spectroscopy on graphene/Co in the soft x-ray range

Popis výsledku anglicky

The existence of ferromagnetic ordering in graphene on cobalt is demonstrated by means of resonant magnetic reflection spectroscopy exploiting the transversal magneto-optical Kerr-effect (T-MOKE). Using linearly polarized synchrotron radiation in the soft x-ray range with energies spanning the carbon 1s edge, the pi- and sigma- bonds of graphene were excited individually, showing that magnetism in graphene is carried by the pi - orbitals. Magnetic signals were detected over a wide energy range from 257 - 340 eV with a T-MOKE peak value of 1.1 % at the pi - resonance energy near 285 eV. By comparison with corresponding spectra measured at the 2p edges of the Co substrate, a large induced magnetic moment of 0.14 mu(B) was derived for graphene. Individual hysteresis curves monitored at the Co 2p and C 1s edges show that the carbon magnetism is induced by the Co substrate.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

<a href="/cs/project/LM2015070" target="_blank" >LM2015070: IT4Innovations národní superpočítačové centrum</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

8TH JOINT EUROPEAN MAGNETIC SYMPOSIA (JEMS2016)

ISBN

—

ISSN

1742-6588

e-ISSN

neuvedeno

Počet stran výsledku

4

Strana od-do

—

Název nakladatele

IOP PUBLISHING LTD

Místo vydání

BRISTOL

Místo konání akce

Glasgow

Datum konání akce

21. 8. 2016

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

000418558200025